Pseudo-myxoma: massive pulmonary vein metastasis from a primary breast carcinoma.

Fig. 1. Transverse CTscan showing the tumour originating from the right inferior pulmonary vein (PV) andoccupying thewhole of the left atrium (T). Note the left sided pleural effusion (E) and associated collapsed left lower lobe. Fig. 2. Pre-operative trans-thoracic echocardiography (five chamber view) showing the tumour (T) extending from the pulmonary vein (PV) and the left atrium (LA) into the left ventricle (LV) by popping through themitral valve (MV) with each atrial systole.